20826780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26701}}^1$

素因数の和:26726

約数の個数: 48

約数和(自身を含む): 62803104

約数和(自身を除く): 41976324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26701, 53402, 80103, 106804, 133505, 160206, 267010, 320412, 347113, 400515, 534020, 694226, 801030, 1041339, 1388452, 1602060, 1735565, 2082678, 3471130, 4165356, 5206695, 6942260, 10413390, 20826780]

約数ペア:

[(1, 20826780), (2, 10413390), (3, 6942260), (4, 5206695), (5, 4165356), (6, 3471130), (10, 2082678), (12, 1735565), (13, 1602060), (15, 1388452), (20, 1041339), (26, 801030), (30, 694226), (39, 534020), (52, 400515), (60, 347113), (65, 320412), (78, 267010), (130, 160206), (156, 133505), (195, 106804), (260, 80103), (390, 53402), (780, 26701)]